The Mossberg 590A1 SPX in 12 gauge (brand part no. 50771) is a pump-action shotgun built around a 20-inch barrel with a black Parkerized finish, giving tactical and home-defense shooters the mil-spec-durability the 590A1 platform is built for. Mossberg equips it with an ambidextrous top-tang safety and a fixed ghost ring sight, feeding from an 8+1 capacity tubular magazine. Among pump-action shotguns, the 590A1 SPX favors shooters who want a duty-grade shotgun classified as a standard Title I firearm.

Key Specifications

• Chambered in 12 gauge.
• Operates as a pump-action shotgun.
• Features a 20-inch barrel.
• Holds 8+1 rounds in the tubular magazine.
• Runs an ambidextrous top-tang safety.
• Equipped with a fixed ghost ring sight.
• Includes a fixed cylinder bore choke.
• Finished in black Parkerized steel.
• Overall length is 46.375 inches.
• Ships at approximately 11.65 pounds.

Frequently Asked Questions

Is the safety ambidextrous? Yes, an ambidextrous top-tang safety is fitted for left- and right-handed shooters.

What is the magazine capacity? 8+1 rounds in the tubular magazine.

What is this shotgun classified as? A standard Title I shotgun, per its own ATF classification.

Buy the Mossberg 590A1 SPX 12 Gauge

Mil-spec durability with an ambidextrous safety is exactly what the 590A1 SPX delivers. Order it from our Lubbock, Texas gun shop for fast, insured shipping to your FFL.